I have never taken my wedding ring off, and it is my 49th anniversary next week, but the idea of melting the two rings into one is something that would not happen. I personally prefer the idea of wearing it round my neck, rather than melting down, but even better like the idea of just making his ring smaller and wearing it on another finger. I wear my mum's wedding band next to mine, between wedding and engagement ring,
Don't do anything in a hurry! The fact that it is too masculine makes a decision even more difficult to you at this time, but perhaps later you may like the idea.